Allison 1000 Series transmissions are torque converter driven, fully automatic, transmission systems. The 1000 Series transmissions have 6 forward speeds, NEUTRAL, and REVERSE. The fifth and sixth range has overdrive gear ratio. The 1000 Series
incorporates a variety of standard and optional design features. These design features include the following:
• | Direct mount to engine block |
• | Torque converter with a torque converter clutch (TCC) and integral vibration damper |
• | 3 constant-mesh planetary gear sets with helical gears |
• | 5 multiple disk clutches - 2 rotating and 3 stationary |
• | Common hydraulic system for all transmission functions |
• | 2 transmission fluid filtration systems |
• | Electrohydraulic control valve assembly |
• | Electronically controlled automatic gear selection and clutch apply |
• | Fill tube/dipstick provision on both sides of transmission |
• | Power takeoff (PTO) provision on both sides of transmission |